Tire tread



FIG. 1 is front perspective view of the tire tread showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is an enlarged partial view thereof; and,

FIG. 7 is a sectional view thereof taken along line 7-7 in FIG. 6.

The broken lines show portions of the tire that are not being claimed, and thus form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 